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16428960 = 253353803
BaseRepresentation
bin111110101010…
…111110100000
31010220200022000
4332222332200
513201211320
61344044000
7256433562
oct76527640
933820260
1016428960
119301359
125603600
133532ba2
142279332
151697c90
hexfaafa0

16428960 has 96 divisors (see below), whose sum is σ = 57516480. Its totient is φ = 4379904.

The previous prime is 16428943. The next prime is 16428961. The reversal of 16428960 is 6982461.

16428960 is a `hidden beast` number, since 1 + 642 + 8 + 9 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (16428961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2419 + ... + 6221.

It is an arithmetic number, because the mean of its divisors is an integer number (599130).

Almost surely, 216428960 is an apocalyptic number.

16428960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16428960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28758240).

16428960 is an abundant number, since it is smaller than the sum of its proper divisors (41087520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16428960 is a wasteful number, since it uses less digits than its factorization.

16428960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827 (or 3813 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 16428960 is about 4053.2653503071. The cubic root of 16428960 is about 254.2162788876.

The spelling of 16428960 in words is "sixteen million, four hundred twenty-eight thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 3803 4320 7606 11409 15212 19015 22818 30424 34227 38030 45636 57045 60848 68454 76060 91272 102681 114090 121696 136908 152120 171135 182544 205362 228180 273816 304240 342270 365088 410724 456360 513405 547632 608480 684540 821448 912720 1026810 1095264 1369080 1642896 1825440 2053620 2738160 3285792 4107240 5476320 8214480 16428960